C++ QBluetoothAddress::isNull方法代码示例

void tst_QBluetoothHostInfo::tst_construction()
{
    QFETCH(QString, btAddress);
    QFETCH(QString, name);
    QFETCH(bool, validBtAddress);

    QBluetoothAddress empty;
    QVERIFY(empty.isNull());

    QBluetoothHostInfo setter;
    QBluetoothAddress addr(btAddress);
    setter.setName(name);
    setter.setAddress(addr);
    QCOMPARE(setter.name(), name);
    QCOMPARE(setter.address().toString(), btAddress);
    QCOMPARE(setter.address().isNull(), !validBtAddress);

    setter.setAddress(empty);
    QCOMPARE(setter.name(), name);
    QCOMPARE(setter.address().toString(), QString("00:00:00:00:00:00"));
    QCOMPARE(setter.address().isNull(), true);

    setter.setName(QString());
    QCOMPARE(setter.name(), QString());
    QCOMPARE(setter.address().toString(), QString("00:00:00:00:00:00"));
    QCOMPARE(setter.address().isNull(), true);

    setter.setAddress(addr);
    QCOMPARE(setter.name(), QString());
    QCOMPARE(setter.address().toString(), btAddress);
    QCOMPARE(setter.address().isNull(), !validBtAddress);
}

void tst_QBluetoothAddress::tst_construction()
{
    QFETCH(quint64, addressUInt);
    QFETCH(QString, addressS12);
    QFETCH(QString, addressS17);

    {
        QBluetoothAddress address;

        QVERIFY(address.isNull());
    }

    {
        /* construct from quint64 */
        QBluetoothAddress address(addressUInt);

        QVERIFY(!address.isNull());

        QVERIFY(address.toUInt64() == addressUInt);

        QCOMPARE(address.toString(), addressS17);
    }

    {
        /* construct from string without colons */
        QBluetoothAddress address(addressS12);

        QVERIFY(!address.isNull());

        QVERIFY(address.toUInt64() == addressUInt);

        QCOMPARE(address.toString(), addressS17);
    }

    {
        /* construct from string with colons */
        QBluetoothAddress address(addressS17);

        QVERIFY(!address.isNull());

        QVERIFY(address.toUInt64() == addressUInt);

        QCOMPARE(address.toString(), addressS17);
    }

    {
        QString empty;
        QBluetoothAddress address(empty);

        QVERIFY(address.isNull());
    }

    {
        QBluetoothAddress address(addressUInt);

        QBluetoothAddress copy(address);

        QVERIFY(address.toUInt64() == copy.toUInt64());
    }
}

QString QBluetoothSocketPrivate::localName() const
{
    const QBluetoothAddress address = localAddress();
    if (address.isNull())
        return QString();

    QBluetoothLocalDevice device(address);
    return device.name();
}

/*!
    Sets the remote device address to \a address. If \a address is default constructed,
    services will be discovered on all contactable Bluetooth devices. A new remote
    address can only be set while there is no service discovery in progress; otherwise
    this function returns false.

    On some platforms such as Blackberry the service discovery might lead to pairing requests.
    Therefore it is not recommended to do service discoveries on all devices.

    \sa remoteAddress()
*/
bool QBluetoothServiceDiscoveryAgent::setRemoteAddress(const QBluetoothAddress &address)
{
    if (isActive())
        return false;
    if (!address.isNull())
        d_ptr->singleDevice = true;
    d_ptr->deviceAddress = address;
    return true;
}

/*!
    Finds the path for the local adapter with \a wantedAddress or an empty string
    if no local adapter with the given address can be found.
    If \a wantedAddress is \c null it returns the first/default adapter or an empty
    string if none is available.

    If \a ok is false the lookup was aborted due to a dbus error and this function
    returns an empty string.
 */
QString findAdapterForAddress(const QBluetoothAddress &wantedAddress, bool *ok = 0)
{
    OrgFreedesktopDBusObjectManagerInterface manager(QStringLiteral("org.bluez"),
                                                     QStringLiteral("/"),
                                                     QDBusConnection::systemBus());

    QDBusPendingReply<ManagedObjectList> reply = manager.GetManagedObjects();
    reply.waitForFinished();
    if (reply.isError()) {
        if (ok)
            *ok = false;

        return QString();
    }

    typedef QPair<QString, QBluetoothAddress> AddressForPathType;
    QList<AddressForPathType> localAdapters;

    ManagedObjectList managedObjectList = reply.value();
    for (ManagedObjectList::const_iterator it = managedObjectList.constBegin(); it != managedObjectList.constEnd(); ++it) {
        const QDBusObjectPath &path = it.key();
        const InterfaceList &ifaceList = it.value();

        for (InterfaceList::const_iterator jt = ifaceList.constBegin(); jt != ifaceList.constEnd(); ++jt) {
            const QString &iface = jt.key();

            if (iface == QStringLiteral("org.bluez.Adapter1")) {
                AddressForPathType pair;
                pair.first = path.path();
                pair.second = QBluetoothAddress(ifaceList.value(iface).value(
                                          QStringLiteral("Address")).toString());
                if (!pair.second.isNull())
                    localAdapters.append(pair);
                break;
            }
        }
    }

    if (ok)
        *ok = true;

    if (localAdapters.isEmpty())
        return QString(); // -> no local adapter found

    if (wantedAddress.isNull())
        return localAdapters.front().first; // -> return first found adapter

    foreach (const AddressForPathType &pair, localAdapters) {
        if (pair.second == wantedAddress)
            return pair.first; // -> found local adapter with wanted address
    }

    return QString(); // nothing matching found
}

/*!
 * Process all incoming HCI events. Function cannot process anything else but events.
 */
void HciManager::_q_readNotify()
{

    unsigned char buffer[HCI_MAX_EVENT_SIZE];
    int size;

    size = ::read(hciSocket, buffer, sizeof(buffer));
    if (size < 0) {
        if (errno != EAGAIN && errno != EINTR)
            qCWarning(QT_BT_BLUEZ) << "Failed reading HCI events:" << qt_error_string(errno);

        return;
    }

    const unsigned char *data = buffer;

    // Not interested in anything but valid HCI events
    if ((size < HCI_EVENT_HDR_SIZE + 1) || buffer[0] != HCI_EVENT_PKT)
        return;

    hci_event_hdr *header = (hci_event_hdr *)(&buffer[1]);

    size = size - HCI_EVENT_HDR_SIZE - 1;
    data = data + HCI_EVENT_HDR_SIZE + 1;

    if (header->plen != size) {
        qCWarning(QT_BT_BLUEZ) << "Invalid HCI event packet size";
        return;
    }

    qCDebug(QT_BT_BLUEZ) << "HCI event triggered, type:" << hex << header->evt;

    switch (header->evt) {
    case EVT_ENCRYPT_CHANGE:
    {
        const evt_encrypt_change *event = (evt_encrypt_change *) data;
        qCDebug(QT_BT_BLUEZ) << "HCI Encrypt change, status:"
                             << (event->status == 0 ? "Success" : "Failed")
                             << "handle:" << hex << event->handle
                             << "encrypt:" << event->encrypt;

        QBluetoothAddress remoteDevice = addressForConnectionHandle(event->handle);
        if (!remoteDevice.isNull())
            emit encryptionChangedEvent(remoteDevice, event->status == 0);
    }
        break;
    default:
        break;
    }
}

/*!
    Constructs a new QBluetoothServiceDiscoveryAgent for \a deviceAdapter and with \a parent.

    It uses \a deviceAdapter for the service search. If \a deviceAdapter is default constructed
    the resulting QBluetoothServiceDiscoveryAgent object will use the local default Bluetooth adapter.

    If a \a deviceAdapter is specified that is not a local adapter \l error() will be set to
    \l InvalidBluetoothAdapterError. Therefore it is recommended to test the error flag immediately after
    using this constructor.

    \sa error()
*/
QBluetoothServiceDiscoveryAgent::QBluetoothServiceDiscoveryAgent(const QBluetoothAddress &deviceAdapter, QObject *parent)
: QObject(parent), d_ptr(new QBluetoothServiceDiscoveryAgentPrivate(deviceAdapter))
{
    d_ptr->q_ptr = this;
    if (!deviceAdapter.isNull()) {
        const QList<QBluetoothHostInfo> localDevices = QBluetoothLocalDevice::allDevices();
        foreach (const QBluetoothHostInfo &hostInfo, localDevices) {
            if (hostInfo.address() == deviceAdapter)
                return;
        }
        d_ptr->error = InvalidBluetoothAdapterError;
        d_ptr->errorString = tr("Invalid Bluetooth adapter address");
    }
}

void tst_QBluetoothHostInfo::tst_address()
{
    QFETCH(QString, addressString);

    QBluetoothAddress address(addressString);
    QVERIFY(!address.isNull());
    QCOMPARE(address.toString(), addressString);

    QBluetoothHostInfo info;
    QBluetoothAddress result = info.address();
    QVERIFY(result.isNull());
    info.setAddress(address);
    QCOMPARE(info.address().toString(), addressString);

}

void QBluetoothLocalDevice::requestPairing(const QBluetoothAddress &address, Pairing pairing)
{
    if (address.isNull()) {
        QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                  Q_ARG(QBluetoothLocalDevice::Error,
                                        QBluetoothLocalDevice::PairingError));
        return;
    }

    const Pairing current_pairing = pairingStatus(address);
    if (current_pairing == pairing) {
        QMetaObject::invokeMethod(this, "pairingFinished", Qt::QueuedConnection,
                                  Q_ARG(QBluetoothAddress, address),
                                  Q_ARG(QBluetoothLocalDevice::Pairing, pairing));
        return;
    }
    d_ptr->requestPairing(address, pairing);
}

int HciManager::hciForAddress(const QBluetoothAddress &deviceAdapter)
{
    if (hciSocket < 0)
        return -1;

    bdaddr_t adapter;
    convertAddress(deviceAdapter.toUInt64(), adapter.b);

    struct hci_dev_req *devRequest = 0;
    struct hci_dev_list_req *devRequestList = 0;
    struct hci_dev_info devInfo;
    const int devListSize = sizeof(struct hci_dev_list_req)
                        + HCI_MAX_DEV * sizeof(struct hci_dev_req);

    devRequestList = (hci_dev_list_req *) malloc(devListSize);
    if (!devRequestList)
        return -1;

    QScopedPointer<hci_dev_list_req, QScopedPointerPodDeleter> p(devRequestList);

    memset(p.data(), 0, devListSize);
    p->dev_num = HCI_MAX_DEV;
    devRequest = p->dev_req;

    if (ioctl(hciSocket, HCIGETDEVLIST, devRequestList) < 0)
        return -1;

    for (int i = 0; i < devRequestList->dev_num; i++) {
        devInfo.dev_id = (devRequest+i)->dev_id;
        if (ioctl(hciSocket, HCIGETDEVINFO, &devInfo) < 0) {
            continue;
        }

        int result = memcmp(&adapter, &devInfo.bdaddr, sizeof(bdaddr_t));
        if (result == 0 || deviceAdapter.isNull()) // addresses match
            return devInfo.dev_id;
    }

    return -1;
}

QBluetoothLocalDevice::Pairing QBluetoothLocalDevice::pairingStatus(const QBluetoothAddress &address) const
{
    if (address.isNull())
        return Unpaired;

    OrgBluezDeviceInterface *device = getDevice(address, d_ptr);

    if(!device)
        return Unpaired;

    QDBusPendingReply<QVariantMap> deviceReply = device->GetProperties();
    deviceReply.waitForFinished();
    if (deviceReply.isError())
        return Unpaired;

    QVariantMap map = deviceReply.value();

    if (map.value(QLatin1String("Trusted")).toBool() && map.value(QLatin1String("Paired")).toBool())
        return AuthorizedPaired;
    else if (map.value(QLatin1String("Paired")).toBool())
        return Paired;
    else
        return Unpaired;
}

void QBluetoothServiceDiscoveryAgentPrivate::_q_processFetchedUuids(
    const QBluetoothAddress &address, const QList<QBluetoothUuid> &uuids)
{
    //don't leave more data through if we are not interested anymore
    if (discoveredDevices.count() == 0)
        return;

    //could not find any service for the current address/device -> go to next one
    if (address.isNull() || uuids.isEmpty()) {
        _q_serviceDiscoveryFinished();
        return;
    }

    if (QT_BT_ANDROID().isDebugEnabled()) {
        qCDebug(QT_BT_ANDROID) << "Found UUID for" << address.toString()
                               << "\ncount: " << uuids.count();

        QString result;
        for (int i = 0; i<uuids.count(); i++)
            result += uuids.at(i).toString() + QStringLiteral("**");
        qCDebug(QT_BT_ANDROID) << result;
    }

    /* In general there are two uuid events per device.
     * We'll wait for the second event to arrive before we process the UUIDs.
     * We utilize a timeout to catch cases when the second
     * event doesn't arrive at all.
     * Generally we assume that the second uuid event carries the most up-to-date
     * set of uuids and discard the first events results.
    */

    if (sdpCache.contains(address)) {
        //second event
        QPair<QBluetoothDeviceInfo,QList<QBluetoothUuid> > pair = sdpCache.take(address);

        //prefer second uuid set over first
        populateDiscoveredServices(pair.first, uuids);

        if (discoveredDevices.count() == 1 && sdpCache.isEmpty()) {
            //last regular uuid data set from OS -> we finish here
            _q_serviceDiscoveryFinished();
        }
    } else {
        //first event
        QPair<QBluetoothDeviceInfo,QList<QBluetoothUuid> > pair;
        pair.first = discoveredDevices.at(0);
        pair.second = uuids;

        if (pair.first.address() != address)
            return;

        sdpCache.insert(address, pair);

        //the discovery on the last device cannot immediately finish
        //we have to grant the 2 seconds timeout delay
        if (discoveredDevices.count() == 1) {
            Q_Q(QBluetoothServiceDiscoveryAgent);
            QTimer::singleShot(4000, q, SLOT(_q_fetchUuidsTimeout()));
            return;
        }

        _q_serviceDiscoveryFinished();
    }
}

void QBluetoothLocalDevice::requestPairing(const QBluetoothAddress &address, Pairing pairing)
{
    if (address.isNull()) {
        QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                  Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
        return;
    }

    const Pairing current_pairing = pairingStatus(address);
    if (current_pairing == pairing) {
        QMetaObject::invokeMethod(this, "pairingFinished", Qt::QueuedConnection, Q_ARG(QBluetoothAddress, address),
                                  Q_ARG(QBluetoothLocalDevice::Pairing, pairing));
        return;
    }

    if(pairing == Paired || pairing == AuthorizedPaired) {

        d_ptr->address = address;
        d_ptr->pairing = pairing;

        if(!d_ptr->agent) {
            d_ptr->agent = new OrgBluezAgentAdaptor(d_ptr);
            bool res = QDBusConnection::systemBus().registerObject(d_ptr->agent_path, d_ptr);
            if(!res) {
                QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                          Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
                qWarning() << "Failed to register agent";
                return;
            }
        }

        if(current_pairing == Paired && pairing == AuthorizedPaired) {
            OrgBluezDeviceInterface *device = getDevice(address, d_ptr);
            if (!device) {
                QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                          Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
                return;
            }
            QDBusPendingReply<> deviceReply = device->SetProperty(QLatin1String("Trusted"), QDBusVariant(true));
            deviceReply.waitForFinished();
            if(deviceReply.isError()) {
                qWarning() << Q_FUNC_INFO << "reply failed" << deviceReply.error();
                QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                          Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
                return;
            }
            delete device;
            QMetaObject::invokeMethod(this, "pairingFinished", Qt::QueuedConnection, Q_ARG(QBluetoothAddress, address),
                                      Q_ARG(QBluetoothLocalDevice::Pairing, QBluetoothLocalDevice::AuthorizedPaired));
        }
        else if(current_pairing == AuthorizedPaired && pairing == Paired) {
            OrgBluezDeviceInterface *device = getDevice(address, d_ptr);
            if (!device) {
                QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                          Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
                return;
            }
            QDBusPendingReply<> deviceReply = device->SetProperty(QLatin1String("Trusted"), QDBusVariant(false));
            deviceReply.waitForFinished();
            if(deviceReply.isError()) {
                qWarning() << Q_FUNC_INFO << "reply failed" << deviceReply.error();
                QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                          Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
                return;
            }
            delete device;
            QMetaObject::invokeMethod(this, "pairingFinished", Qt::QueuedConnection, Q_ARG(QBluetoothAddress, address),
                                      Q_ARG(QBluetoothLocalDevice::Pairing, QBluetoothLocalDevice::Paired));
        }
        else {
            QDBusPendingReply<QDBusObjectPath> reply =
                d_ptr->adapter->CreatePairedDevice(address.toString(),
                                                   QDBusObjectPath(d_ptr->agent_path),
                                                   QLatin1String("NoInputNoOutput"));

            QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(reply, this);
            connect(watcher, SIGNAL(finished(QDBusPendingCallWatcher*)), d_ptr, SLOT(pairingCompleted(QDBusPendingCallWatcher*)));

            if(reply.isError())
                qWarning() << Q_FUNC_INFO << reply.error() << d_ptr->agent_path;
        }
    }
    else if(pairing == Unpaired) {
        QDBusPendingReply<QDBusObjectPath> reply = this->d_ptr->adapter->FindDevice(address.toString());
        reply.waitForFinished();
        if(reply.isError()) {
            qWarning() << Q_FUNC_INFO << "failed to find device" << reply.error();
            QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                      Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
            return;
        }
        QDBusPendingReply<> removeReply = this->d_ptr->adapter->RemoveDevice(reply.value());
        removeReply.waitForFinished();
        if(removeReply.isError()) {
            qWarning() << Q_FUNC_INFO << "failed to remove device" << removeReply.error();
            QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
                                      Q_ARG(QBluetoothLocalDevice::Error, QBluetoothLocalDevice::PairingError));
        } else {
            QMetaObject::invokeMethod(this, "pairingFinished", Qt::QueuedConnection, Q_ARG(QBluetoothAddress, address),
                                      Q_ARG(QBluetoothLocalDevice::Pairing, QBluetoothLocalDevice::Unpaired));
//.........这里部分代码省略.........